Street-curbing block



(No Model.)

. S. A. WEBB.

STREET GURBING BLOCK.

No. 477,721. Patented June 28,1892.

mini" 0/ pm; W I "in 31 ATENr Finest I SCOTT A. WEBB, OF COLUMBUS, OHIO.

STREET-CURBING BLOCK.

SPECIFICATION forming part of Letters Patent No. 477,721, dated June 28,1892. Application ad July 16, 1891. Serial No. 399,782. (No model.)

To all whom it may concern:

Be it known that I, SCOTT A. WEBB, a ,citi-.

zen of the United States, residing at Columbus, in the county ofFranklin and State of 01110, have invented a certain new and usefulImprovement in Street-Curbing Blocks, of

which the following is a "specification.

My Invention relates to the improvement of curbing-blocks of that classwhich are formed of hard-bu rned clay or other similar substance andwhich are adapted to have their ends united to form the usual curbingbetween streets and sidewalks.

The objects of my invention are to provide simple and improved means forforming a firm and reliable connection between the ends of the blocks,and thus retain the same in proper alignment, to form this connection inan inexpensive manner and byits use obviate" the necessity of formingprojecting tongues on the ends of the blocks, to provide improvedkeyways for tar-joints, and to produce other improvements 111 said joints hereinafter desig-j nated. These objects I accomplish in the mannerillustrated in the accompanying drawings, ,m which-- Figure l is a viewin perspective of two of my improved curbingblocks united and shown inconnection with a portion of a sidewalk. Fig.2 is a central longitudinalsection taken through a portion of each of said blocks at the joint.Fig. 3 is a similar view showing a modification in the form of jointblock or brick and tar-keyway. Fig. 4 is a View in perspective of one ofmy improved jointbricks, and Fig. 5 represents a modified form ofjoint-brick.

Similar letters refer to similar parts throughout the several views. I

a reprepresents the curbing-blocks, which, as described in my formerpatent, No. 427,648, dated May 13, 1890, are preferably formed ofhard-burned clay and are oblong in form, having the desired contour orshape at their up per sides to facilitate the connection of thesidewalk-pavement therewith and to prevent the injurious resultof thecontact of vehiclewheels with the same. As shown in the drawings, thesurface of the sides and ends of this block are at right angles witheach other, except such projections as are formed on the sides of theblock at its upper portion. Each of the blocks a has formedlongitudinally thereth rough, at the center of the width thereof, two ormore channels or openings 1), arranged one above the other, as shown,and in such corresponding position in each of the blocks as to result inthe communication of the ends of the channels of each block when saidblock ends are made to abut against each other.

The mouth of each of the openings 1) is, as shown at 0; made slightlyflaring or beveled on its opposite vertical sides, this vertical bevelbeing united or made continuous by angular vertical grooves c, whichextend between said bevels in the end of the block. As shown in thedrawings, the upper side of the upper opening I) is preferably arched orcurved, and the bevels c of each side of said opening mouth arecontinued upwardly and inwardly to meet at the center of the uppersidoof said opening month. At the meetingpoint of these two bevels cterminates a vertical groove or way c formed in the end of the block andextending from the upper side thereof.

As shown in Fig. 2 of the drawings, I form in the center of each of thebevels 0 throughout the length thereof a V-shaped notch or incision e inthe form of a re-entering angle. As shown in the drawings, the formationof the bevels c and corner notches 6 result when the ends of two blocksare made to abut against each other in the production of a substantiallyM-shaped recess or tarway.

71 represents oblong bricks or joint-blocks, which, as shown, aresubstantially in the form of ordinary bricks and which are of such sizeas to be inserted within the mouths of the openings 1) of thecurbing-blocks. Thesejointbricks are preferably provided at the centersof two of their longer sides with oppositelylocated vertical channels 9,which extend throughout the height of the brick. In uniting thecurbing-blocks these bricks are, as shown in the drawings, made toextend partly within the passages l) of one block and partly within thecorresponding passages of the adjoining blockor are arranged to breakjoints with said curbing-blocks. In this position the channels 9 of theblocks communicate with the beveled and notched ways 0 e of thechannel-mouths. Two of the curbing-blocks having been thus connected ormade to adjoin each other, tar or other similar substance is poured intothe tarway formed by the uniting of the end grooves 0 said tar passingdownward therefrom into the beveled and notched ways c e andbrick-channels g, filling the same, and resulting when cool in theformation of tar-keys,whieh will serve to firmly unite the adjoiningcurbing-blocks and jointbricks together.

As shown in Fig. 3 of the drawings, I may omit the notches 6, simplyusing the bevels c, and the channels g may be omitted from the bricks.In this case the triangular tar-key formed will by adhering to the sidefaces of the joint-brick serve as a connection between thecurbing-blocks and said brick.

From the construction herein shown and described it will be seen thatthe joint-bricks will at all times serve to prevent any lateral orvertical displacement of the curbing-blocks and that the latter will beretained in perfect alignment with each other, thus resulting in acontinuous line of curbing-blocks having flush surfaces, which willpresent a neat and substantial appearance.

The tar-keys employed as described will operate not only as binders forthe blocks and joint-bricks, but will serve to prevent the entrance ofwater or moisture at the joints. The form of tarway described and shownin Fig. 2 of the drawings, as will readily be seen, is such as to affordresistance of pressure against the blocks or bricks in any direction andwill greatly facilitate the production of a durable and reliableconnection of the parts.

As will be seen by the construction shown, the necessity of formingjoint projections with the ends of the blocks is obviated and the con-'struetion of the curbing eheapened and sim- Having now fully describedmy invention, what I claim, and desire to secure by Letters Patent, is-

1. In a street-curbing, the combination, with the blocks to, havingtheir ends abutting, as described, longitudinal channels through saidblocks,bevels c at the mouth sides of each of said channels, tarways 0leading thereto, and bevel-connecting grooves c, of joint-bricks formedseparately from said blocks and supported, as described, within thechannelmouths of two adjoining blocks, and a filling of tar or similarsubstance in said Way c ,bevels c, and grooves c, substantially asspecified.

2. In a street-curbing, the combination, with the end-abutting blocks a,having longitudinal channels I), bevels c on the mouth-edges of saidblock-channels, notches 8, formed in said channel-edges at the centersof said bevels, and grooves c in said block ends connecting the bevels cof the various channels, of joint-bricks f, formed separately from saidblocks and inclosed partially by the channels of one and partially bythe channels of the other of tWo of said abutting blocks, and a fillingof tar or other similar substance in said bevels, notches, andgrooves,as described, substantially as and for the purpose specified.

3. In a street-curbing, the combination, with the end-abutting blocks0-, having longitudinal channels I), bevels c on the mouth-edges of saidblock-channels, notches 0, formed in said channel-edges at the centersof said bevels, and grooves c in said block ends connecting the bevels cof the various channels, of joint-bricks f, formed separately from saidblocks and inclosed partially by the channels of one and partially bythe channels of the other of two of said abutting blocks, side tar- Waysg in said join t-bricks, as described, and a filling of tar or othersimilar substance in said bevels,notches, and grooves, as described,substantially as and for the purpose specified.

SCOT A. W'EBB.

In presence of- JOSEPH H. DYER, FRANK RATHMELL.

